US3403270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overvoltage protective circuit for insulated gate field effect transistor
Assignee: General Micro Electronics Inc
•
Filing: 1965-06-01
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Granted: 1968-09-24
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Robert E Pace
- 👤 James D Trotter
- 👤 Warren C Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/523; H02; H02H; H02H9/00; H02H9/04; H03K; H03K17/00; H03K17/08; H03K17/081; H03K17/0812; H03K17/08122; H10; H10D; H10D89/00; H10D89/60; H10D89/601; H10D89/811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3229218A
Cited
FR1359902A
Cited
US3213299A
Cited
US3272989A
Cited
US3296547A
Cited
US3309534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |